B6403
B6403 (JetBlue Airways) flies New York to San Juan. Of 479 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 479 flights
- Average delay12.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.7%
according to the US BTS · Oct 27, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 5 | ▼ 83.9% |
| February | 24 | 17 | ▼ 29.2% |
| March | 2 | 30 | ▲ 1,400.0% |
| April | 30 | 13 | ▼ 56.7% |
| May | 31 | 11 | ▼ 64.5% |
| June | 30 | 29 | ▼ 3.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 2 | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 179 | 136 | ▼ 24.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 54.8% | 0.0% | ▼ 100.0% |
| February | 75.0% | 40.0% | ▼ 46.7% |
| March | 50.0% | 66.7% | ▲ 33.3% |
| April | 96.7% | 53.9% | ▼ 44.3% |
| May | 93.6% | 100.0% | ▲ 6.9% |
| June | 76.7% | 96.4% | ▲ 25.8% |
| July | 86.2% | 93.6% | ▲ 8.5% |
| August | 87.1% | – | – |
| September | 100.0% | – | – |
| October | 83.3% | – | in progress |
| November | 72.4% | – | – |
| December | 53.3% | – | – |
| Year-to-date average (Jan–Jul) | 76.1% | 64.4% | ▼ 15.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 5 | ▲ 150.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.3% 471
- Cancelled 1.7% 8
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK SJU John F. Kennedy International Airport – Luis Munoz Marin International Airport | 2,578 | 12.4 min | 75.2% | 479 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 100.0% | 0 |
| November 2024 | 29 | 29 | 69.0% | 0 |
| December 2024 | 31 | 31 | 51.6% | 0 |
| January 2025 | 31 | 31 | 54.8% | 0 |
| February 2025 | 24 | 24 | 75.0% | 0 |
| March 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 29 | 86.2% | 2 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 29 | 29 | 72.4% | 0 |
| December 2025 | 31 | 30 | 53.3% | 1 |
| January 2026 | 5 | 3 | 0.0% | 2 |
| February 2026 | 17 | 15 | 40.0% | 2 |
| March 2026 | 30 | 30 | 66.7% | 0 |
| April 2026 | 13 | 13 | 53.9% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 29 | 28 | 96.4% | 1 |
| July 2026 | 31 | 31 | 93.6% | 0 |